lesiones hipervasculares hepáticas
TRANSCRIPT
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LESIONES HIPERVASCULARESHEPÁTICAS
Heidy Sáenz AcuñaMIR Radiodiagnóstico IV
CHUSASeptiembre 2016
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Hígado no cirrótico
Hígado cirrótico
HemangiomaAdenomaHiperplasia Nodular Focal (HNF)Metátasis
Shunts-fístulas vasculares, Nódulos regenerativosNódulos displásicosCarcinoma hepatocelular (CHC)
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HEMANGIOMA
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HEMANGIOMATres patrones de realce: 1. Realce homogéneo (flash-filling): Pequeños <2cm.
2. Típico: Arterial periférico nodular, Portal relleno uniforme y centrípeto, Equilibrio persiste realce.
3. Grandes: Portal no rellena.
Tipo 1
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HEMANGIOMATipo 2
Tipo 3
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ADENOMA
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ADENOMA
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HNF
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HNF
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HNF
Lesión nodular hipervascular isointensa en T1 y T2, que mantiene el constraste en fase hepatoespecífica.
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METÁSTASISLesiones con realce arterial que generalmente son iso o hipodensas en estudio portal y tardío.
Tumores neuroendocrinos, CCR, carcinoma tiroideo, melanoma, coriocarcinoma.
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METÁSTASIS
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METÁSTASIS
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CHC
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CHC
Lesión nodular hipervascular en hígado cirrótico que LAVA en fase portal y tardía.
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CHC
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